This article provides guidance on how to effectively manage a cardiac arrest code in EMS, specifically focusing on both basic life support (BLS) and advanced cardiovascular life support (ACLS) for EMS providers. It emphasizes the importance of early recognition, initiation of CPR, immediate defibrillation, and appropriate medication administration. The main objective is to streamline the response and promote a systematic approach to increase the chances of successful resuscitation in cardiac arrest cases.